Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
en developpement » et developpement, de developpement, le developpement
4 communication » 3 communication, 5.4 communication, de communication
developpement l » developpement il, developpement la, developpement de
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
barriers en » barriers been, barriers key, barriers _
l afrique » en afrique

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologies a information policy a 4 communication barriers en developpement l afrique.*.